| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.57 | 0.01 |
| Feb | 0.72 | 0.69 | 0.03 |
| Mar | 1.50 | 1.48 | 0.02 |
| Apr | 2.73 | 2.78 | -0.05 |
| May | 4.45 | 4.48 | -0.03 |
| Jun | 4.05 | 4.05 | 0.00 |
| Jul | 3.44 | 3.33 | 0.11 |
| Aug | 3.30 | 3.34 | -0.04 |
| Sep | 2.27 | 2.29 | -0.02 |
| Oct | 2.13 | 2.11 | 0.02 |
| Nov | 1.23 | 1.18 | 0.05 |
| Dec | 0.89 | 0.83 | 0.06 |
27.29 | 27.13 | 0.16 |